612657045 has 288 divisors, whose sum is σ = 1523733120. Its totient is φ = 223534080.

The previous prime is 612657041. The next prime is 612657119. The reversal of 612657045 is 540756216.

It is a happy number.

612657045 is a `hidden beast` number, since 61 + 26 + 570 + 4 + 5 = 666.

It is not a de Polignac number, because 612657045 - 2² = 612657041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612657041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 9144102 + ... + 9144168.

It is an arithmetic number, because the mean of its divisors is an integer number (5290740).

Almost surely, 2^612657045 is an apocalyptic number.

612657045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

612657045 is an abundant number, since it is smaller than the sum of its proper divisors (911076075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612657045 is a wasteful number, since it uses less digits than its factorization.

612657045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 612657045 is about 24751.9099263067. The cubic root of 612657045 is about 849.3222024531.

The spelling of 612657045 in words is "six hundred twelve million, six hundred fifty-seven thousand, forty-five".